How do you keep the messages in a group chat secure? Messaging layer security (MLS).

The Double Ratchet algorithm provides end-to-end encryption for text messages between two people. But securing a group chat is much harder. MLS is the first standardized multi-party “key exchange” — a protocol for communication among groups of people or devices.

Resources:
Video on the Double Ratchet algorithm: [ Ссылка ]
MLS Working Group: [ Ссылка ]

Created by Kelsey Houston-Edwards
Graphics by Ray Lux
Sponsored by Wire [ Ссылка ]
Thanks to Britta Hale for the helpful conversation about MLS

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